73372947
Jul 6, 1982
Oct 25, 1983
Telemetry and Video Amplifiers, Receivers and Transmitters and Systems for Tracking and Remotely Controlling Aircraft/Watercraft Vehicles Comprised of Telemetry and Video Amplifiers, Receivers and Transmitters; Automatic Navigation Kits Comprised of Computers, Compasses, Gyros, Altimeters, Transducers and Velocity Sensors
Electrical and Scientific Apparatus